human retroviruses in amerindians of colombia: high prevalence of human t cell lymphotropic virus type ii infection among the tunebo indians. | the coexistence of infection with human t lymphotropic virus types i and ii (htlv-i and htlv-ii) has been demonstrated recently among the wayuu indians from the guajira region of colombia. to ascertain if other indian groups in colombia are similarly infected, we tested 1,250 sera, collected between 1990 and 1992 from 18 culturally distinct amerindian tribes living in widely separated regions, for igg antibodies against htlv-i/ii using enzyme-linked immunosorbent assay (elisa) and western blot. ... | 1993 | 8279632 |